Study on mass transfer of ethyl acetate in polymer adsorbent by experimental and theoretical breakthrough curves

doi:10.1016/j.cjche.2019.03.006

中国化学工程学报 ›› 2020, Vol. 28 ›› Issue (1): 84-89.DOI: 10.1016/j.cjche.2019.03.006

• Separation Science and Engineering • 上一篇下一篇

Study on mass transfer of ethyl acetate in polymer adsorbent by experimental and theoretical breakthrough curves

Lina Wang^1,2, Jiale Zheng¹, Lin Du¹, Songgeng Li^1,2, Wenli Song^1,2

1 State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;
2 Sino-Danish College, University of Chinese Academy of Sciences, Beijing 100190, China

收稿日期:2019-01-23 修回日期:2019-03-05 出版日期:2020-01-28 发布日期:2020-03-31
通讯作者: Lin Du, Wenli Song
基金资助:
Supported by the National Key R&D Program of China (2018YFC1901300), "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences (XDA 21040400) and the National Natural Science Foundation of China (21808229).

Study on mass transfer of ethyl acetate in polymer adsorbent by experimental and theoretical breakthrough curves

Lina Wang^1,2, Jiale Zheng¹, Lin Du¹, Songgeng Li^1,2, Wenli Song^1,2

1 State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;
2 Sino-Danish College, University of Chinese Academy of Sciences, Beijing 100190, China

Received:2019-01-23 Revised:2019-03-05 Online:2020-01-28 Published:2020-03-31
Contact: Lin Du, Wenli Song
Supported by:
Supported by the National Key R&D Program of China (2018YFC1901300), "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences (XDA 21040400) and the National Natural Science Foundation of China (21808229).

摘要/Abstract

摘要： A new polymeric adsorbent with highly hypercrosslinked structure was developed for the removal of VOCs from polluted air. The purpose of this work is to obtain the intraparticle mass transfer coefficient of the adsorbent particles. Adsorption experiments for obtaining breakthrough curves were carried out with a fixed bed system. A dynamic mathematical model for the fixed bed adsorption system was developed. By model fitting, the overall mass transfer coefficient was determined when the deviation error was minimum. Then, the intraparticle mass transfer coefficient of the adsorbent was determined when the external mass transfer resistance was eliminated at higher velocities. Furthermore, a linear relationship of the intraparticle mass transfer coefficient and equilibrium coefficient at lower inlet gas concentrations range was correlated. Moreover, an equation for predicting external mass transfer coefficient at low Reynolds number range at room temperature was obtained.

关键词: Mass transfer, Adsorption, Fixed-bed, Mathematical modeling, Kinetics

Abstract: A new polymeric adsorbent with highly hypercrosslinked structure was developed for the removal of VOCs from polluted air. The purpose of this work is to obtain the intraparticle mass transfer coefficient of the adsorbent particles. Adsorption experiments for obtaining breakthrough curves were carried out with a fixed bed system. A dynamic mathematical model for the fixed bed adsorption system was developed. By model fitting, the overall mass transfer coefficient was determined when the deviation error was minimum. Then, the intraparticle mass transfer coefficient of the adsorbent was determined when the external mass transfer resistance was eliminated at higher velocities. Furthermore, a linear relationship of the intraparticle mass transfer coefficient and equilibrium coefficient at lower inlet gas concentrations range was correlated. Moreover, an equation for predicting external mass transfer coefficient at low Reynolds number range at room temperature was obtained.

Key words: Mass transfer, Adsorption, Fixed-bed, Mathematical modeling, Kinetics

Lina Wang, Jiale Zheng, Lin Du, Songgeng Li, Wenli Song. Study on mass transfer of ethyl acetate in polymer adsorbent by experimental and theoretical breakthrough curves[J]. 中国化学工程学报, 2020, 28(1): 84-89.

Lina Wang, Jiale Zheng, Lin Du, Songgeng Li, Wenli Song. Study on mass transfer of ethyl acetate in polymer adsorbent by experimental and theoretical breakthrough curves[J]. Chinese Journal of Chemical Engineering, 2020, 28(1): 84-89.

参考文献

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Study on mass transfer of ethyl acetate in polymer adsorbent by experimental and theoretical breakthrough curves

Study on mass transfer of ethyl acetate in polymer adsorbent by experimental and theoretical breakthrough curves

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